LUIS LEON DIAZ M.D.
NPI 1457356461
Psychiatry & Neurology - Neurology in Las Vegas, NV

Q: What is Luis Diaz's NPI number?

The NPI number for Luis Diaz is 1457356461. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Q: What is Luis Diaz's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Luis Diaz was last updated on July 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 16, 2005PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

2880 N TENAYA WAY STE 405, LAS VEGAS, NV 89128(702) 233-0755(702) 233-8814 Get Directions Write a Review

NPPES record last updated: July 22, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Luis Leon Diaz M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LUIS LEON DIAZ M.D. (NPI 1457356461) is an individual neurology provider in Las Vegas, Nevada, licensed in Nevada (NV6124) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Las Vegas, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1457356461

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameLUIS LEON DIAZCredential: M.D.

Location Address2880 N TENAYA WAY STE 405Las Vegas, NV 89128-0642

Mailing Address2880 N Tenaya Way Ste 405Las Vegas, NV 89128-0642 · (702) 233-0755 · Fax (702) 233-8814

Phone(702) 233-0755

Fax(702) 233-8814

Sole ProprietorNo

Medical School CMSOtherGraduated 1982

Enumeration DateJune 16, 2005

Last NPPES UpdateJuly 22, 2022

NPPES CertifiedJuly 22, 2022

✔ NPI 1457356461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in NV · NV6124

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

2880 N TENAYA WAY STE 405, Las Vegas, NV 89128

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Secondary Practice Location 1

Location 1653 N Town Center Dr, Ste 312Las Vegas, NV 89144-0520 · Phone (702) 233-0755 · Fax (702) 233-8814

Other Identifiers 1

Medicaid2019070NV

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Luis Leon Diaz M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305860990

PECOS Enrollment IDI20060123000391

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Luis Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Luis Leon Diaz MD PC

Same address

Neurology

2880 N TENAYA WAY STE 405
Las Vegas, NV 89128

Reassigned Medicare billing, Nevada enrollment

NPI 1700109048 (702) 844-4920

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, immune globulin (bivigam), 500 mg J1556

The immune globulin injection (Bivigam) is a treatment that boosts your immune system. It's given when your body can't produce enough antibodies to fight infections. This 500mg dose helps protect you from diseases and infections.

75,890 services42 patients

Injection, ocrelizumab, 1 mg J2350

Ocrelizumab is a medication given via injection to manage conditions like Multiple Sclerosis. It helps control symptoms by targeting specific proteins in the immune system. This service involves injecting 1 mg of Ocrelizumab.

18,000 services17 patients

Injection, incobotulinumtoxin a, 1 unit J0588

Incobotulinumtoxin A, 1 unit, is an injection commonly known as Botox. It's used to treat various conditions like muscle spasms or wrinkles. The substance temporarily paralyzes muscles, providing relief or aesthetic improvement.

14,135 services25 patients

Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg J1568

This procedure involves an intravenous injection of Octagam, a liquid immune globulin. It is a blood product that helps your body fight off infections. It's given through a vein (IV) and each dose contains 500 mg of the medication.

10,370 services19 patients

Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 96366

This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.

1,401 services45 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

697 services53 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

398 services255 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

296 services136 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

155 services28 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

154 services154 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

137 services25 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

100 services25 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

60 services27 patients

Nerve conduction, 7-8 studies 95910

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.

55 services55 patients

Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle 95874

This procedure involves a needle that measures the electrical activity in your muscles. A chemical is then injected to temporarily paralyze the nerve muscle. This helps in diagnosing and treating certain muscle or nerve conditions.

36 services14 patients

Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 64615

This procedure involves injecting a chemical into specific facial and neck muscles, causing temporary paralysis. This helps reduce muscle activity and can alleviate certain medical conditions. Both sides of the face are treated for a balanced result.

32 services11 patients

Measurement of brain wave activity (eeg), awake and asleep 95819

The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.

30 services30 patients

Nerve conduction, 9-10 studies 95911

Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.

29 services29 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

28 services27 patients

Nerve conduction, 13 or more studies 95913

Nerve conduction studies involve 13 or more tests to check the speed and strength of signals traveling between your nerves and muscles. It helps diagnose conditions affecting nerves and muscles. The test involves small shocks and may cause minor discomfort.

21 services21 patients

Nerve conduction, 5-6 studies 95909

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps identify any nerve damage or dysfunction. For 5-6 studies, this means multiple nerves will be tested. Small electrodes are placed on your skin to send and receive signals, causing minimal discomfort.

12 services12 patients

Nerve conduction, 11-12 studies 95912

Nerve conduction studies are tests that measure how well your nerves are working. In 11-12 studies, small electrodes are placed on your skin to send and receive electrical signals. These signals show how quickly and effectively your nerves are transmitting signals, helping to identify any nerve damage or dysfunction.

12 services12 patients

Injection, methylprednisolone sodium succinate, up to 125 mg J2930

Methylprednisolone sodium succinate is a steroid medication injected into a muscle or vein. It helps reduce inflammation and immune response. It's used for various conditions like allergies, arthritis, breathing problems, or skin diseases. It's important to follow your doctor's instructions.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$131.25 typical visit price

range $57.07 – $173.24

Typical copayment $32.81 (range $14.26 – $43.31)

Most-billed visit code 99204

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

100

Improvement Activities

Reported Quality Measures

Advance Care Plan

100%490 patients5/55-star benchmark: 100%

Dementia Associated Behavioral and Psychiatric Symptoms Screening and Management

100%69 patients

Dementia: Functional Status Assessment

100%69 patients

Documentation of Current Medications in the Medical Record

100%1,750 patients5/55-star benchmark: 100%

Functional Outcome Assessment

100%1,750 patients5/55-star benchmark: 100%

Overuse of Imaging for the Evaluation of Primary Headache

Lower rates are better for this measure.

0%205 patients

Rehabilitative Therapy Referral for Patients with Parkinson's Disease

100%36 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LUIS LEON DIAZ MD PC

Psychiatry & Neurology (Neurology)

2880 N TENAYA WAY STE 405
LAS VEGAS, NV 89128

Clark County (702) 844-4920

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Luis Diaz's NPI number?

The NPI number for Luis Diaz is 1457356461. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is Luis Diaz located?

Luis Diaz practices at 2880 N Tenaya Way Ste 405, Las Vegas, NV 89128. The listed phone number is (702) 233-0755.

What is Luis Diaz's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Luis Diaz enrolled in Medicare?

Yes. Luis Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Luis Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Luis Diaz reassigns Medicare benefits to Luis Leon Diaz MD PC (Las Vegas, NV). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Luis Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Luis Diaz was last updated on July 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.